{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "biomedical", "process characterization", "machine or equipment", "manufacturing standard", "concept or principle"], "input": "The stir zone of the welded joint shows significantly lower micro-hardness in comparison to the aB-built SLM samples ."}
{"engineering feature": ["welded joint"], "biomedical": [], "process characterization": [], "machine or equipment": [], "manufacturing standard": [], "concept or principle": ["samples"]}